WoW_Hardcore/PartyChangeToken.lua at master · Zarant/WoW_Hardcore · GitHub

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-- Generated by party change requester
local function GeneratePartyChangeTokenSecret()
	return math.random(1000000)
end

-- Generated by party change receiver
function GeneratePartyChangeToken(_hardcore_settings, _hardcore_character, _secret, _partner_to_change)
	if _hardcore_settings.party_change_token ~= nil then
		Hardcore:Print("Overwritting current party change token.")
	end
	_hardcore_settings.party_change_token = {
		partner_to_change = _partner_to_change,
		character_name = UnitName("player"),
		generated_time = GetServerTime(), -- since epoch
		secret = _secret,
	}
	Hardcore:Print("Generated Party Change Token.")
end

-- Applied by party change receiver
function ApplyPartyChangeToken(_hardcore_settings, _hardcore_character, sender, secret)
	if _hardcore_settings.party_change_token == nil then
		Hardcore:Print("PartyChange Token does not exist.")
		return
	end

	if
		_hardcore_settings.party_change_token.secret == nil
		or _hardcore_settings.party_change_token.secret ~= secret
	then
		Hardcore:Print("Invalid secret for party change token.  Did not apply token.")
		return
	end

	for idx, partner in ipairs(_hardcore_character.team) do
		if partner == _hardcore_settings.party_change_token.partner_to_change then
			_hardcore_character.team[idx] = sender
			Hardcore:Print("Applied party change token to " .. partner .. ". New partner is " .. sender)
			_hardcore_settings.party_change_token = nil
			return
		end
	end
end

-- Checked by party change receiver
function CheckForExpiredPartyChangeToken(_hardcore_settings)
	if _hardcore_settings.party_change_token == nil then
		return
	end

	local current_time = GetServerTime()
	if current_time - _hardcore_settings.party_change_token.generated_time > 24 * 60 * 60 then -- one day
		_hardcore_settings.party_change_token = nil
		Hardcore:Print("Party Change Token expired.")
	end
end

party_change_token_handler = {}
party_change_token_handler.generated_secret = nil

function party_change_token_handler:SendRequestPartyChangeToken(
	_CTL,
	_comm_command_header,
	_comm_command_delim,
	_comm_name,
	_team
)
	if _CTL then
		party_change_token_handler.generated_secret = GeneratePartyChangeTokenSecret()
		local commMessage = _comm_command_header .. _comm_command_delim .. party_change_token_handler.generated_secret
		for _, partner in ipairs(_team) do
			_CTL:SendAddonMessage("ALERT", _comm_name, commMessage, "WHISPER", partner)
		end
	end
end

function party_change_token_handler:ReceiveRequestPartyChangeToken(
	_hardcore_settings,
	_hardcore_character,
	_secret,
	_sender
)
	local is_partner = false
	for _, partner in ipairs(_hardcore_character.team) do
		if _sender == partner then
			is_partner = true
		end
	end

	if is_partner == false then
		return
	end

	-- GET SECRET
	GeneratePartyChangeToken(_hardcore_settings, _hardcore_character, _secret, _sender)
end

function party_change_token_handler:SendApplyPartyChangeToken(
	_CTL,
	_comm_command_header,
	_comm_command_delim,
	_comm_name,
	_team,
	_secret
)
	if _secret == nil then
		Hardcore:Print("Failed to send apply party change to partners; missing secret.")
	end
	if _CTL then
		local commMessage = _comm_command_header .. _comm_command_delim .. _secret
		for _, partner in ipairs(_team) do
			_CTL:SendAddonMessage("ALERT", _comm_name, commMessage, "WHISPER", partner)
		end
	end
end

function party_change_token_handler:ReceiveApplyPartyChangeToken(
	_hardcore_settings,
	_hardcore_character,
	_secret,
	_sender
)
	-- GET SECRET
	ApplyPartyChangeToken(_hardcore_settings, _hardcore_character, _sender, _secret)
end

function CheckForExpiredPartyChangeToken(_hardcore_settings)
	if _hardcore_settings.party_change_token == nil then
		return
	end
	local current_time = GetServerTime()

	if current_time - _hardcore_settings.party_change_token.generated_time > 24 * 60 * 60 then -- one day
		_hardcore_settings.party_change_token = nil
		Hardcore:Print("Party Change Token expired.")
	end
end